Engine Seals TRIZ Cases

An inflatable seal creates a controlled gas channel between cooling plates, directing flow to absorb heat from workpieces after sputtering.

A conical sealing ring bends radially under compression to seal pipe flanges, resolving leakage from thermal stress.

Segmented mold surfaces shape curable material to attach functional components, reducing foaming mold effort while maintaining sealing integrity.

Dispersion members in a rotary seal assembly create turbulence to divert particulates, preventing wear and extending service life under high-speed rotation.

Radial key member locks circumferential seal against rotation and creep, preventing wear on steam turbine rotor components.

Segmented material regions with varying rigidity distribute contact forces to prevent buckling and tearing while maintaining thermal insulation.

Interlocking tabs on stacked carbon rings eliminate relative rotation, preventing uneven wear and premature failure in gas turbine engines.

Screen printed rubber coatings on layered metal portions create an integrated gasket that maintains assembly accuracy while reducing manufacturing complexity.

Sloped gasket base plate seals end plate gaps using elastic compression to block salt water corrosion.

A sealing device uses a dimensionally stable wear element to guide an elastically deformable seal.

Specific outer-to-inner diameter and inner-diameter-to-width ratios in the insulator seal plate reduce shaft air leakage while maintaining thermal stability.

Composite seal rings with integrated cooling channels dissipate heat build-up, reducing weight and manufacturing costs compared to heavy alloy castings.

Segmented backup rings restrict axial O-ring displacement in hydrogen tank seals, preventing deformation when pressure varies.

A self-sealing yoke assembly uses a tapered seal interface to guide the steering rack.

Discontinuous recesses and thickenings in the anchoring feet prevent longitudinal displacement of the seal during assembly.

A vehicle roof sealing system uses a resilient cover lip to access adjusting screws without dismounting the seal.

A segmented ring seal assembly uses an intermediary fluid passage to reduce pressure differentials across individual sealing elements.

Segmented teeth on the adjustment nut engage support features to lock spring tension, preventing loosening from vibration during use.

A seal ring with a reversed V-shaped key part apex maintains contact pressure through optimized stiffness and segmented geometry.

Backup rings fracture under pressure to expand radially, preventing seal extrusion and maintaining fluid isolation in oil well tubing.

Axial dynamic seal with fluorocarbon elastomer resists thermal expansion impacts on preload, maintaining seal-tightness across wide temperature ranges.

A seal lip with an extended portion maintains a generally constant cross-sectional width to minimize friction variation during dynamic movement.

Gripping formations cut into the axle housing to secure the ring gear while a recessed seal contains debris, preventing internal damage.

Composite rubber lip seal resists swelling and deposit formation from organic acid coolants, reducing torque and heat generation.

Frusto-conical lips and backup rings distribute pressure to eliminate leakage without complex machining.

Integrated feed channels distribute lubricant along the sealing element length, reducing uneven wear in paper machine suction rolls.

A bent sealing lip incorporates a soft portion to absorb vibrations and prevent rattle noise in automobile door glass runs.

A sinusoidal gasket contour provides mechanical support and sealing pressure across bipolar plates.

Segmented lip sections prevent axial tipping during assembly while maintaining low friction through a capillary-active gap.

Segmented sealed chamber isolates locking dogs and actuation mechanisms from seawater, preventing corrosion and vibration-induced separation.

Outward-extending tongue-shaped lip prevents snow accumulation on the seal base, protecting the door garnish from deformation during closure.

Axially angled bristles attach to rotating components via mechanical clamping, eliminating welded joints and thermal fusion stress in high-speed turbomachines.

A double seal gasket arrangement with an internal chamber and pressure sensor detects leakage between a sterilization unit and adjacent walls.

Profiled reinforcement element uses closed-edge beads to increase stiffness, resolving weight versus rigidity trade-offs in sealing strips.

A gasket seal uses interlocking inner diameter elements to secure the dielectric ring against axial and radial movement.

Integrated quenching passage cools sliding seal faces to resolve frictional heat buildup while simplifying mechanical seal construction.

Selective notch removal on specific stages reduces contact pressure and PV levels while maintaining assembly reliability through asymmetric geometry.

Gripping assembly maintains seal concentricity against thermal expansion and centrifugal forces, preventing radial leakage.

A convertible top holding-down device applies a friction-reducing coating to minimize chafing and abrasion on the cloth during driving.

A sealing cartridge with a receptacle housing and support element positions seals on internal and shell faces of the injector assembly.

Inclined threads and baffles redirect lubricant flow away from the annular seal, mitigating contamination that compromises carbon sealing face integrity.

Segmented seals with intermediary support reduce shaft bending stress, leakage, and assembly complexity in centrifugal pumps.

A tilt lever shoe surrounds the sunroof rear rail to create a flexible barrier against dust ingress.

A unitary elastic body seal with a bore provides a comprehensive seal over cable and connector interconnections.

Segmenting the seal into reusable casings and specific elements reduces inventory quantity while maintaining adaptability for custom applications.

Angled polyurethane seal mates with sidewall troughs to prevent coal leakage and resist sulfuric acid degradation.

Multi-wall spring design distributes mechanical stress across radial and axial bends, reducing material fatigue in gas turbine leaf seals.

A three-stage shaft seal uses dynamic pressure in an intermediate contactless stage to reduce sliding load on mechanical seals.

A dynamic shaft seal uses a static dam groove to capture and pump lubricant back into the sealed side.

A clip device converts positional variation into rotational float to center a trim component.